M25P40-VMP6GB NUMONYX, M25P40-VMP6GB Datasheet - Page 20

• Manufacturer Part Number: M25P40-VMP6GB
• Description: Flash Mem Serial-SPI 2.5V/3.3V 4M-Bit 512K x 8 8ns 8-Pin VFQFPN EP Tray
• Manufacturer: NUMONYX

Specifications of M25P40-VMP6GB

• Package: 8VFQFPN EP
• Cell Type: NOR
• Density: 4 Mb
• Architecture: Sectored
• Block Organization: Symmetrical
• Typical Operating Supply Voltage: 2.5|3.3 V
• Sector Size: 64KByte x 8
• Timing Type: Synchronous
• Operating Temperature: -40 to 85 °C
• Interface Type: Serial-SPI

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Write Disable (WRDI)
The Write Disable (WRDI) instruction
The Write Disable (WRDI) instruction is entered by driving Chip Select (S) Low, sending the
instruction code, and then driving Chip Select (S) High.
The Write Enable Latch (WEL) bit is reset under the following conditions:
Figure 8.
Power-up
Write Disable (WRDI) instruction completion
Write Status Register (WRSR) instruction completion
Page Program (PP) instruction completion
Sector Erase (SE) instruction completion
Bulk Erase (BE) instruction completion
Write Disable (WRDI) instruction sequence
S
C
D
Q
(Figure
High Impedance
0
1
2
8) resets the Write Enable Latch (WEL) bit.
Instruction
3
4
5
6
7
AI03750D